x 4 5 4 5 x
C#m7b5
C# half-diminished (m7b5)
Notes: C# · E · G · B
Also spelled Dbm7b5
Triads
Suspended
Sevenths
Extensions
Drag the file into your recording program (DAW). It plays the guitar's real notes.
Common shapes (3)
9 x 9 9 8 x
x x 11 12 12 12
Other shapes (62)
Showing 12 of 62
x 4 x 0 0 0
x 4 5 0 0 0
x 4 2 0 0 0
x x 11 0 0 0
x 4 5 4 0 0
x 4 2 0 0 3
x 4 5 6 0 0
9 x 9 0 0 0
9 10 9 0 0 0
9 7 9 0 0 0
x 4 5 4 5 0
x 4 2 4 0 3
About C#m7b5
C#m7b5 is built from four notes: C# (root), E (minor third), G (diminished fifth) and B (minor seventh). In scale degrees above the root, the formula is 1 – b3 – b5 – b7. It is the chord on the seventh degree of the major scale (viiø7) and the usual chord on the second degree of minor progressions in jazz (iiø7, V7, i).
On guitar, C#m7b5 has 3 common shapes: the A, E and D shapes. These are CAGED system shapes, the basis for playing the same chord anywhere on the neck. There are 62 more voicings sorted by difficulty; use the viewer switches to add inversions and stretches. C#m7b5 is also written as Dbm7b5: the same chord with the root spelled differently, and it sounds identical. The more common spelling is C#m7b5.